Needle-threading device.



M. L. MOORE.

NEEDLE THREADING DEVICE.

APPLICATION FILED JULY 3, 1914.

1,145,258.. Patentd July 6, 1915.

MARIAN L. MOORE, OF NICKELSVILLE, VIRGINIA.

NEEDLE TI-IREADING DEVICE.

Specification of Letters Patent.

Patented. July 6,1915.

Application filed July 3, 1914. Serial No. 848,855.

This inventlon relates to improvements in I needle threading devices andhas particular application to a device of the class described forthreading the needles of sewing machines.

In carrying out the present invention, it is my purpose to improve andsimplify the general construction of sewlng machine needle threaders andto provide a device whereby the thread may be drawn through the eye ofthe needle rapidly and conveniently.

- It is also my purpose to provide a needle threading device for sewingmachines which may be manufactured and marketed at a minimum expense andwhich Wlll operate efliciently and effectively under all conditions andwhereby the possibilty of the accidental withdrawal of the thread fromthe device is reduced to a minimum.

With the above and other objects in view, the invention consists .in theconstruction, combination and arrangement of parts hereinafter set forthin and falling within the scope of the claim.

In the accompanying drawing, Figure 1 is a view in side elevation of thedevice showing the same applied to the needle. Fig. 2 is a top plan viewthereof. Fig. 3 1s a view in elevation of the side oppbsite from thatshown in Fig. 1. Fig. 4 is a longitudinal sectional view through thedevice. Fig. 5 is a vertical cross sectional view on the line 5-5101?Fig. 3. Fig. 6 is a viewin end elevation of the device. Fig. 7 is a planview of the'blank from which the device is made.

Referring now to the drawing in detail, A designates my improved needlethreading device as an .entirety. This device is preferably formed of asingle sheet of metal bent upon itself upon the longitudinal center linethereof to form side plates-1, 2 placed in face 'to face contact. Theside plate 1 at one end is offset relatively to the adjacent end portionof the remaining plate as at? and the end. edge of such offset portionis inclined downwardly as at 4 to provide a guiding edge, while theofiset portion, at the rear of such guiding edge is formed with a slot 5parallel with the inclined edge 4 and having the upper end opening ontothe upper end edge of the offset portion 3 and the lower endcommunicating with a 'circular aperture 6. The front wall of the slot 5at the-upper end thereof is bent outwardly as at 7 so that an entrancemouth to the slot will be provided whereby the thread may be drawn intothe aperture 6. The adjacent end portion of the plate 2 is formedcentrally with .a'

longitudinal slot 8 extending a slight distance beyond the aperture 6and having the side walls thereof formed with coinciding grooves 9alining with the aperture 6 in the offset end portion 3 of the sideplate 1 and forming, in effect, an aperture. The upper edge portion ofthe plate 2, that is the portion above the longitudinal slot 8g isprojected .outwardly beyond the adjacent end portion of the plate 2 inthe form of a finger 10 and the outer end of the finger -10--is formedwith a depending lug 11. Disposed between the confronting faces of theplates 1 and 2 and secured in position by means of rivets 12 or the likepassed through such plates is a hook 13 having the bill 14; thereofdisposed between the spacedend portions of the plates 1 and 2 injuxtaposition to the.

aperture 6 and the aperture formed by the companion grooves 9 in theconfronting walls of the longitudinal slot 8.

h In practice,--the spaced end portions of the plates 1 and 2 form anentrance mouth adapted to receive the eye portion of the sewing machineneedle to be threaded and as the device is passed onto the needle thehook 13 extends through the eye thereof. The thread is now drawn intothe slot S in the side plate 2 and up over the inclined edge 4 of theoffset end portion 3 oftheside plate 1 and then passed into the-slot, 5and aperture 6. As the thread enters the aperture 6 in the ofi'set'portion 3 thefiadjacent part of the thread is disposed'in the apertureformed by the companion grooves 9,

While the portion of the thread between the spaced ends of the plateslies in the bill of the hook. The threading ,device' is now moved bodilyaway from the needle and as the hook leaves the eye the thread is drawnthrough the latter, as will be readily underthread from the device inthe initial movement of the thread into the slot 8 is eliminated, whilethe outwardly bent'portion 7 of the particular wall of the slot 5 servesto facilitate the passage of the thread into the slot and eliminatemutilation of the thread as the same enters the slot.

7 From the foregoing description taken in connection with theaccompanying drawing, the construction and manner of employing myinvention will be readily apparent.

It will be seen that I have provided a needle threading device wherebythe needles of sewing machines may be readily and quickly threaded andwherein the parts are so correlated and arranged as to eliminate thepossibility of derangement and reduce the cost of construction to aminimum.

1 claim:

A needle threading device comprising two side plates having the endportions thereof spaced apart to provide an entrance mouth adapted toreceive a needle, the said end portion of one of the plates having theouter edge inclined and being formed with a slot parallel with theinclined edge and terminating in a circular aperture, the adjacent endportion of the remaining plate being formed with a longitudinal slot,terminating beyond the aperture in the first-mentioned end portion andhaving the opposite walls thereof formed with companion groovesproviding an aperture coaxial with the first aperture, a hook betweensaid plates and having the bill thereof projecting into said mouth anddisposed in juxtaposition to said apertures and designed to pass throughthe eye of the needle,- the slots and apertures in the spaced endportions of said plates serving to guide the thread into the bill of thehook in advance of the needle eye whereby the thread will be pulledthrough said eye in the movement of the device to withdraw the hook fromthe eye.

In testimony whereof I afiix my signature in presenceof two witnesses.

MARIAN L. MOORE. Witnesses:-

E. EDMONSTON, Jr., JOHN J. MCCAR HY.

